| Europe Capital to Country | 0 | - | 4.99 | 251,537 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,639 |
| European Capitals by Map | 0 | - | 4.99 | 141,365 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,626 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,974 |
| European Coastal Capitals | 0 | - | 4.95 | 91,078 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,264 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Official Cities in the UK | 0 | - | 4.89 | 285,420 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,392 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,816 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,459 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,571 |
| Cities in European History #1 | 0 | - | 4.63 | 134,430 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,693 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,332 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,231 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,435 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,466 |
| Name a City - European Countries | 0 | - | 4.90 | 65,934 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,971 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,933 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,711 |
| Random European Capital to Country | 0 | - | 4.98 | 191,814 |
| Random European Country to Capital | 0 | - | 4.93 | 165,659 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,615 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,214 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,004 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,407 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,302 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,240 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,775 |
| Former Capitals | 0 | - | 4.88 | 71,601 |
| Asia Capital to Country | 0 | - | 4.96 | 127,177 |
| African Capitals by Map | 0 | - | 4.99 | 141,372 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,571 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,068 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,723 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,051 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,041 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,017 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,184 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,837 |
| Boroughs of London | 0 | - | 4.63 | 88,334 |
| London Geography | 0 | - | 4.47 | 59,810 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,942 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,850 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,435 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,970 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,240 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,767 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,622 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,177 |
| Capitals of the Stans | 0 | - | 4.95 | 27,057 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,583 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,308 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,426 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,441 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,558 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,624 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,554 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,761 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,119 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,443 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,424 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,873 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,257 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,608 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,967 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,495 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,643 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,214 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,656 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,964 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,971 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,719 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,181 |
| Find the City #1 | 0 | - | 4.97 | 43,204 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,893 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,792 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,978 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,911 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,780 |
| Countries by Capital City | 0 | - | 5.00 | 69,062 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,633 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,046 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,051 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,109 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,625 |
| Moved Capital Cities | 0 | - | 4.96 | 74,518 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,112 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,245 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,738 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,480 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,250 |
| Which City in Europe? | 0 | - | 4.83 | 107,752 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,218 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,270 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,948 |
| North American Sports Cities | 0 | - | 4.83 | 172,935 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,487 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,876 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,782 |
| Name a Valid World City | 0 | - | 4.84 | 71,728 |
| Cities by Former Name | 0 | - | 4.83 | 91,891 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,596 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,873 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,614 |
| World Capitals by Map | 0 | - | 5.00 | 288,546 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,668 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,120 |
| Random Country to Capital | 0 | - | 4.98 | 925,367 |
| Capitals Starting With H | 0 | - | 4.91 | 92,908 |
| Capitals Starting With K | 0 | - | 4.88 | 83,963 |
| Capitals Starting With L | 0 | - | 4.81 | 88,417 |
| Capitals Starting With M | 0 | - | 4.93 | 108,390 |
| Capitals Starting With P | 0 | - | 4.88 | 78,533 |
| Capitals Starting With R | 0 | - | 4.87 | 82,132 |
| Capitals Starting With S | 0 | - | 4.90 | 86,126 |
| Capitals Starting With T | 0 | - | 4.85 | 76,462 |
| Capitals Starting With W | 0 | - | 4.87 | 91,486 |
| Capitals Starting With A | 0 | - | 4.97 | 128,547 |
| Capitals Starting With B | 0 | - | 4.89 | 118,941 |
| Capitals Starting With D | 0 | - | 4.93 | 96,809 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 148,784 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,370 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,971 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,421 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,850 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,932 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,187 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,323 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,664 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,577 |
| Which City in Canada? | 0 | - | 4.83 | 57,263 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,096 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,563 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,050 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,035 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,648 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,135 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,314 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,978 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,781 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,311 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,710 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,398 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,077 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,424 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,737 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,589 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| North America Cities by Map | 0 | - | 4.41 | 47,895 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,702 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,029 |
| Random European City to Country | 0 | - | 4.69 | 118,250 |
| Random Asian City to Country | 0 | - | 4.56 | 44,584 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,479 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,410 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,626 |
| Capital Cities Chain | 0 | - | 4.84 | 83,175 |
| Coldest World Capitals | 0 | - | 4.95 | 134,060 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,953 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,345 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,477 |
| US States and State Capitals | 0 | - | 4.99 | 164,564 |
| Geography of Rome | 0 | - | 4.51 | 16,695 |
| Paris City Trivia | 0 | - | 4.31 | 35,594 |
| Venice Trivia | 0 | - | 4.45 | 10,481 |
| Milan Trivia | 0 | - | 4.56 | 15,201 |
| Berlin City Trivia | 0 | - | 4.67 | 13,289 |
| Rome City Trivia | 0 | - | 4.49 | 20,713 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,770 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,834 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,850 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,696 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,331 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,661 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,730 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,813 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,081 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,295 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,621 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,028 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,208 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,512 |
| South American Cities on the Map | 0 | - | 4.52 | 35,518 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,778 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,596 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,132 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,145 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,027 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,250 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,314 |
| Name a City in EVERY Country - No Capitals | 0 | - | 4.63 | 67,780 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,692 |
